Cita APA

Bell, S. A., & Morse, S. A. (2008). Sustainability indicators: Measuring the immeasurable? (Rev.ed.).

Chicago Edition Citation

Bell, Simon; Author, i Stephen; Author Morse. Sustainability Indicators: Measuring the Immeasurable? Rev.ed. London, Earthscan, 2008.

Cita MLA

Bell, Simon; Author, i Stephen; Author Morse. Sustainability Indicators: Measuring the Immeasurable? Rev.ed. 2008.